CISA Warns Patched Pulse Secure VPNs Could Still Expose
After login, we can ask the SSL VPN to proxy the exploit on our malicious HTTP server, and then trigger the heap overflow. Due to the problems mentioned above, we need a nice target to overflow. We cannot control the heap carefully, but maybe we can find something regularly appears! CVE-2019-11510, impacting Pulse Secure SSL VPN, is being exploited in the wild. Ive seen it being exploited today, a few hours ago for first time, via BinaryEdge. Timeline 24th April 2019 - Vendor advisory. 14th August 2019 - TLP Rainbow post. 20th August 2019 - exploit posted publicly. 22nd Augu Internet scans performed over the weekend by security intelligence service Bad Packets show there are 14,528 Pulse Secure VPN endpoints vulnerable to flaw that's currently being exploited, up from 11/10/2019 · These stolen credentials can be used to connect to the VPN, providing them the privileges needed to run further exploits. The vulnerabilities impact Pulse Secure's Pulse Connect Secure service, Fortinet's Fortigate and Palo Alto's Global Protect SSL VPN, the advisory states.
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